138129968493
138,129,968,493 is an odd composite number composed of four prime numbers multiplied together.
138129968493 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138129968493:
34 × 11 × 613 × 683
(3 × 3 × 3 × 3 × 11 × 61 × 61 × 61 × 683)See below for interesting mathematical facts about the number 138129968493 from the Numbermatics database.
Names of 138129968493
- Cardinal: 138129968493 can be written as One hundred thirty-eight billion, one hundred twenty-nine million, nine hundred sixty-eight thousand, four hundred ninety-three.
Scientific notation
- Scientific notation: 1.38129968493 × 1011
Factors of 138129968493
Divisors of 138129968493
- Number of divisors d(n): 80
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Complete list of divisors:
1 3 9 11 27 33 61 81 99 183 297 549 671 683 891 1647 2013 2049 3721 4941 6039 6147 7513 11163 18117 18441 22539 33489 40931 41663 54351 55323 67617 100467 122793 124989 202851 226981 301401 368379 374967 458293 608553 680943 1105137 1124901 1374879 2042829 2496791 2541443 3315411 3374703 4124637 6128487 7490373 7624329 12373911 18385461 22471119 22872987 27955873 37121733 67413357 68618961 83867619 155028023 202240071 205856883 251602857 465084069 754808571 1395252207 1705308253 2264425713 4185756621 5115924759 12557269863 15347774277 46043322831 138129968493
- Sum of all divisors σ(n): 229187420352
- Sum of proper divisors (its aliquot sum) s(n): 91057451859
- 138129968493 is a deficient number, because the sum of its proper divisors (91057451859) is less than itself. Its deficiency is 47072516634
Bases of 138129968493
- Binary: 100000001010010011000000001101011011012
- Hexadecimal: 0x2029300D6D
- Base-36: 1RGF0LT9
Squares and roots of 138129968493
- 138129968493 squared (1381299684932) is 19079888195877172691049
- 138129968493 cubed (1381299684933) is 2635504355346476476312518393119157
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The
square root of 138129968493 is 371658.4029629897 -
The
cube root of 138129968493 is 5169.2710418521
Scales and comparisons
How big is 138129968493?- 138,129,968,493 seconds is equal to 4,392 years, 5 weeks, 3 days, 11 hours, 41 minutes, 33 seconds.
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To count from 1 to 138,129,968,493 would take you about eight thousand, seven hundred eighty-four years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 138129968493 cubic inches would be around 430.8 feet tall.
Recreational maths with 138129968493
- 138129968493 backwards is 394869921831
- The number of decimal digits it has is: 12
- The sum of 138129968493's digits is 63
- More coming soon!
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